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WO2010076645A8 - Système d'injection de carburant à haute stabilité et répétabilité de fonctionnement pour un moteur à combustion interne - Google Patents

Système d'injection de carburant à haute stabilité et répétabilité de fonctionnement pour un moteur à combustion interne Download PDF

Info

Publication number
WO2010076645A8
WO2010076645A8 PCT/IB2009/007907 IB2009007907W WO2010076645A8 WO 2010076645 A8 WO2010076645 A8 WO 2010076645A8 IB 2009007907 W IB2009007907 W IB 2009007907W WO 2010076645 A8 WO2010076645 A8 WO 2010076645A8
Authority
WO
WIPO (PCT)
Prior art keywords
fuel injection
electrical
internal combustion
combustion engine
fuel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2009/007907
Other languages
English (en)
Other versions
WO2010076645A1 (fr
Inventor
Sergio Stucchi
Onofrio De Michele
Raffaele Ricco
Domenico Lepore
Chiara Altamura
Marcello Gargano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centro Ricerche Fiat SCpA
Original Assignee
Centro Ricerche Fiat SCpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centro Ricerche Fiat SCpA filed Critical Centro Ricerche Fiat SCpA
Priority to CN200980157646.8A priority Critical patent/CN102333947B/zh
Priority to EP09806199.7A priority patent/EP2373877B1/fr
Priority to US13/142,792 priority patent/US8807116B2/en
Priority to JP2011544090A priority patent/JP5259839B2/ja
Priority to KR1020117017628A priority patent/KR101396261B1/ko
Publication of WO2010076645A1 publication Critical patent/WO2010076645A1/fr
Publication of WO2010076645A8 publication Critical patent/WO2010076645A8/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M47/00—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure
    • F02M47/02—Fuel-injection apparatus operated cyclically with fuel-injection valves actuated by fluid pressure of accumulator-injector type, i.e. having fuel pressure of accumulator tending to open, and fuel pressure in other chamber tending to close, injection valves and having means for periodically releasing that closing pressure
    • F02M47/027—Electrically actuated valves draining the chamber to release the closing pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0015—Valves characterised by the valve actuating means electrical, e.g. using solenoid
    • F02M63/0024—Valves characterised by the valve actuating means electrical, e.g. using solenoid in combination with permanent magnet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0031—Valves characterized by the type of valves, e.g. special valve member details, valve seat details, valve housing details
    • F02M63/004—Sliding valves, e.g. spool valves, i.e. whereby the closing member has a sliding movement along a seat for opening and closing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0078—Valve member details, e.g. special shape, hollow or fuel passages in the valve member
    • F02M63/008—Hollow valve members, e.g. members internally guided
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/30—Controlling fuel injection
    • F02D41/38—Controlling fuel injection of the high pressure type
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F02D41/402—Multiple injections
    • F02D41/403—Multiple injections with pilot injections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/306—Fuel-injection apparatus having mechanical parts, the movement of which is damped using mechanical means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2547/00—Special features for fuel-injection valves actuated by fluid pressure
    • F02M2547/003—Valve inserts containing control chamber and valve piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F02M45/08—Injectors peculiar thereto
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/007—Details not provided for in, or of interest apart from, the apparatus of the groups F02M63/0014 - F02M63/0059
    • F02M63/0075—Stop members in valves, e.g. plates or disks limiting the movement of armature, valve or spring

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Ink Jet (AREA)

Abstract

L'invention concerne un système d'injection de carburant pour un moteur à combustion interne, comportant : au moins un injecteur électromagnétique de carburant; un module régulateur électronique conçu pour alimenter l'injecteur électromagnétique de carburant, au cours d'une phase d'injection de carburant dans un cylindre de moteur, au moins une première commande électrique permettant d'effectuer une injection pilote de carburant, et une deuxième commande électrique permettant d'effectuer une injection principale de carburant. La première et la deuxième commandes électriques sont séparées en termes de temps par une temporisation de maintien électrique de sorte que l'injection principale de carburant commence sans interruption par rapport à l'injection pilote de carburant. La temporisation de maintien électrique entre la première et la deuxième commandes électriques figure dans une plage de temporisation de maintien électrique dans laquelle le volume total de carburant injecté dans les injections principale et pilote de carburant au cours d'une phase d'injection de carburant dans un cylindre de moteur est sensiblement constant.
PCT/IB2009/007907 2008-12-29 2009-12-29 Système d'injection de carburant à haute stabilité et répétabilité de fonctionnement pour un moteur à combustion interne Ceased WO2010076645A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN200980157646.8A CN102333947B (zh) 2008-12-29 2009-12-29 具有高操作重复性和稳定性的内燃机燃料喷射系统
EP09806199.7A EP2373877B1 (fr) 2008-12-29 2009-12-29 Système d'injection de carburant doté d'une répétabilité et d'une stabilité élevées pour le fonctionnement d'un moteur à combustion interne
US13/142,792 US8807116B2 (en) 2008-12-29 2009-12-29 High operation repeatability and stability fuel injection system for an internal combustion engine
JP2011544090A JP5259839B2 (ja) 2008-12-29 2009-12-29 内燃機関のための高動作再現性および高安定性の燃料噴射システム
KR1020117017628A KR101396261B1 (ko) 2008-12-29 2009-12-29 내연 기관용 높은 동작 반복가능성 및 안정성의 연료 분사 시스템

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08425817A EP2211046B1 (fr) 2008-12-29 2008-12-29 Système d'injection de carburant doté d'une répétabilité et d'une stabilité élevées pour le fonctionnement d'un moteur à combustion interne
EP08425817.7 2008-12-29

Publications (2)

Publication Number Publication Date
WO2010076645A1 WO2010076645A1 (fr) 2010-07-08
WO2010076645A8 true WO2010076645A8 (fr) 2011-03-31

Family

ID=40635453

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2009/007907 Ceased WO2010076645A1 (fr) 2008-12-29 2009-12-29 Système d'injection de carburant à haute stabilité et répétabilité de fonctionnement pour un moteur à combustion interne

Country Status (8)

Country Link
US (4) US20120132136A1 (fr)
EP (2) EP2211046B1 (fr)
JP (3) JP2010156319A (fr)
KR (2) KR101223851B1 (fr)
CN (2) CN102333947B (fr)
AT (1) ATE500411T1 (fr)
DE (1) DE602008005349D1 (fr)
WO (1) WO2010076645A1 (fr)

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US8807116B2 (en) 2014-08-19
US20100186708A1 (en) 2010-07-29
EP2211046B1 (fr) 2011-03-02
DE602008005349D1 (de) 2011-04-14
US20120132136A1 (en) 2012-05-31
US20100162992A1 (en) 2010-07-01
JP5259839B2 (ja) 2013-08-07
CN101769217B (zh) 2013-04-10
US20120035832A1 (en) 2012-02-09
WO2010076645A1 (fr) 2010-07-08
KR20110135920A (ko) 2011-12-20
CN101769217A (zh) 2010-07-07
JP2012514160A (ja) 2012-06-21
EP2373877B1 (fr) 2013-09-18
KR101223851B1 (ko) 2013-01-17
CN102333947A (zh) 2012-01-25
ATE500411T1 (de) 2011-03-15
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US9140223B2 (en) 2015-09-22
EP2373877A1 (fr) 2011-10-12
JP5361701B2 (ja) 2013-12-04
JP2010156326A (ja) 2010-07-15
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EP2211046A1 (fr) 2010-07-28
KR20100080374A (ko) 2010-07-08

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